Enter the ring to witness an epic battle of brawn between an ant and an elephant! A chimp vs. a crow in a showdown of wits! An emporer penguin vs. a pygmy mamoset in a contest for cutest creature! Some of the victors might surprise you and all of these animals will amaze you! Stats, fun facts, photos, and in-depth profiles about each contender will help you pick winners for more than a dozen mighty matchups. A March Madness-style bracket at the end of the book allows readers to choose the ultimate champion!